Case 680H Backhoe Service Manual

• Covers Case 680H Backhoe
• P/N 9-69301
• 1,518 pages
• Downloadable PDF format
• 94mb file size
• Works with Windows/Mac/Tablet/Mobile

Latest edition of the Case 680H service manual in a convenient digital download. It includes over 1,500 pages of technical specifications, step-by-step instructions, illustrations and schematics to guide mechanics through mechanical, electrical and hydraulic repairs. The original dealer manual was reproduced into a clear, searchable PDF format, and is ideal for mechanics repairing or overhauling the 680H backhoe loader. In addition to all machine systems, engine/fuel repair information is included. This manual can be saved instantly to your computer, tablet or smartphone.

Topics:

GENERAL INFORMATION

• Torque Specs
• Maintenance and Lubrication
• Detailed Engine Specifications – 336BD Engine

ENGINES

• Engine Diagnosis
• Engine Tune-Up
• Engine Stall Tests
• Engine Removal and Installation
• Engine Accessories (Air cleaner, muffler, exhaust pipe, radiator, cold start system)
• Cylinder Head, Valve Train, and Camshaft
• Cylinder Block, Sleeves, Pistons, and Rods
• Crankshaft, Main Bearings, Flywheel, and Oil Seals
• Lubrication System with Two Gear Balancer and Oil Pump
• Cooling System
• Engine Diagnosis
• Reconditioning Engine Cylinder Block

FUEL SYSTEM

• Fuel System and Filters
• Robert Bosch Fuel Injection Pumps
• 17 mm Fuel Injectors
• Fuel Lines, Fuel Tank, and Engine Controls
• Electric Fuel Pump

ELECTRICAL

• Electrical System Troubleshooting
• Wiring Diagram
• Batteries
• Starter
• Alternator
• Instrument Cluster and Instrument Panel

STEERING

• Steering System Troubleshooting
• Steering Control Valve and Steering Column
• Steering Cylinders
• Relief Valve and Check Valve
• Front Axle

POWER TRAIN

• General Transmission Information and Troubleshooting
• Transmission
• Transmission Controls
• Drive Shaft
• Differential and Planetaries
• Wheels and Tires

BRAKES

• Troubleshooting and General Information for the Air System
• Air Compressor and Governor
• Air Reservoir and Relief Valve
• Brake Valves (Treadles)
• Brake Actuators
• Alcohol Evaporator
• Pressure Reducer Valve, Pressure Protection Valve, Double Check Valve, Control Valves for Clutch Cutout and Stoplamp Switch
• Brakes and Brake Adjusters
• Parking Brake Control Valve and Quick Release Valve

HYDRAULICS

• Hydraulic Schematic, Maintenance, Troubleshooting, and Pressure Checks
• Cleaning the Hydraulic System
• Hydraulic Pump
• Flow Control Valve
• Loader Control Valve
• Loader and Backhoe Cylinders
• Backhoe Relief Valve
• Backhoe Control Valve
• Stabilizer Control Valve
• Boom Lock System

MOUNTED EQUIPMENT

• Air Conditioning Troubleshooting
• Air Conditioning System
• Loader
• Cab and Canopy
• Operators Seat and Seat Belts
• Backhoe
• Decals and Painting
• Noise Control

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